Collar can collar and mounting



April 26, 1949. l J. coYLE ET AL COLLAR CAN COLLAR A-ND MOUNTING Filed Dec. 30, 1944 1N VEN TOR. J ohn C Ogle ah Wum PLmCe WMM, 1212, ML

Aornegs Patented Apr. 26, 1949 COLLAR CAN COLLAR AND MOUNTING John Coyle and William F. Punte, Baltimore, Md., assignors to Continental Can Company, Inc., New York, N. Y., a corporation of New York Application December 30, 1944, Serial No. 570,655

1 Claim.

The invention relates generally to metallic receptacles, and more particularly to the type known as collar cans wherein are provided tear strip structures adapted to be wound on keys and by this means torn out of the body walls of the cans in order to effect an opening thereof, and it primarily seeks to provide a novel collar structure for such cans and a novel mounting for such collars.

In cans of the type stated the tear strips usually are dened by parallel score lines whic surround the cans adjacent the upper end closures thereof, and a collar is snugly tted Within the upper end of each can in position for extending upwardly from the upper extremity of the can body resulting from the tearing out of the rip strip, thereby to maintain the desired can body Wall height and provide a support neck over which the skirt or body wall portion remaining attached to the upper end closure can be telescoped to effect a reclosure of the can. It is the purpose of the present invention to provide a novel form of collar of the character stated and a novel mounting for the same, said collar including an annularly pleated portion, and being inserted into the upper end of a can body having a preformed, outwardly projecting bead one of said pleats being forced outwardly to cause a portion thereof to project into and conform generally to the shape of said bead in order to effect a collar anchoring engagement in the can body.

An object of the invention is to provide a collar can collar mounting of the character stated in which the collar includes an annularly pleated wall portion comprising a pleat having an outwardly directed nose or rib normally disposed within the outer diameter of the collar prior to final attachment in the can and joined to the collar by ange portions which are narrower than the ilange portions forming said nose, said nose being forced outwardly beyond the outer diameter of the collar and engaged in and conforming generally to the shape of an outwardly projecting bead in the can body.

With the above and other objects in view that will hereinafter appear, the nature of the invention will be more fully understood by following the detailed description, the appended claim and the several Views illustrated in the accompanying drawings,

In the drawings:

Figure l is a part side elevation and part vertical cross sectional view of a can body embodying the invention;

Figure 2 is an enlarged fragmentary sectional view illustrating the collar inserted in the can body preparatory to the forcing of the collar pleat into the body bead.

Figure 3 is a View similar to Figure 2 illustrating the step of forcing the collar pleat into and conforming it to the shape of the body bead for securely anchoring the collar in the can body;

Figure 4 is an enlarged fragmentary sectional view illustrating the collar per se.

In this disclosure the invention is illustrated as embodied in a can including a body 5, and a lower end closure 6. It is to be understood that a top end closure (not shown) ultimately will be applied, said closure preferably being seam secured on the can body in the conventional manner.

The can body 5 is provided adjacent its upper end with an outwardly directed bead I and an inwardly directed bead 8 just below the bead I, and between the bead 'I and the upper end closure extremity of the body, said body is scored in the conventional manner to provide a tear strip 9 adapted to be wound about a key and torn from the wall of the can body in the manner well known in the art for effecting an opening of the can.

According to the invention a collar including a main body portion I0 is snugly tted within the upper end of the can body, and when the collar is properly mounted in the can body, the main body portion thereof extends above and below the tear strip 9 in the manner clearly illustrated in Figure 3. At its upper extremity the collar body is equipped with an inwardly curled bead II, and at its lower extremity the collar is provided with an annularly pleated wall portion generally designated I2. The collar wall pleating is accordion pleating or approximately so and specifically is formed to comprise two upper and lower inwardly directed flange portions I3, and these flange portions I3 join with two outwardly directed annular flange portions I4 joined at their outer ends to provide a nose or rib I5. It will be observed by reference to Figures 2 and 4 that the flange portions I4 are wider than the upper and lower ange portions I3, and that the outwardly directed nose or rib I5 normally is disposed within the outside diameter of the collar so as to permit insertion of the collar into the can body in the manner illustrated in Figure 2.

In effecting the secure mounting of the collar in the can body, the collar is first inserted in the can body with its central pleat or outwardly directed nose portion I centered opposite the outwardly directed can bead 1 and with its lower edge extremity resting upon the inwardly directed can body bead 8 as at I6. While it is preferred that the inwardly directed body bead 8 be provided for the purpose stated, it will be obvious that this bead can be dispensed with if desired if other means `be employed for properly placing the collar pleat or nose I5 with relation to the can body bead 1. With the collar and can body assembled in the manner stated, inner and outer rollers I1 and I8 are placed in opposition at opposite sides of the collar and the can body bead as shown in Figure 2the outer roller having a peripheral groove I8 therein conformingy to the external shape of thelbody bead 1, and the roller I1 having convergingedgeface portions 20 merging into a rounded edge portion 2I,and the centers of said roller groove and rounded edge portion lying in the same plane in which the center of the can body bead 1 and the collar pleat nose I5 lie. ,Y

By now forcing the rollers I1 and I8 together to tightly press the can body, and collar portions between them and bringing about relative rotation between the rollers and said can body and collar portions, the collar anges or pleat portions Id will be partially collapsed and the nose I5 will be forcedoutwardly beyond the out-y side diameter of the collar into anchoring engagement in the can body bead 1. It will be apparent by reference to Figure 3 that the rounded roller edge2| is so shaped that it will round out the pleat nose I5 and cause it to conform at 22 to the internal curvature of the .body bead 1, the iinal Yspread of the collar flange portions I4 being determined by the edge face portions 28 of the anchoring and shaping roller I1. By thus reshaping the collar pleat at 22 the collar is securely anchored" in the can body against displacement downwardly or upwardly with relation to the can body.

By forming and mounting the collar in the manner hereinbefore described, said collar will not only be securely anchored in the can body, but it will be so mounted as to ypresent no raw metal edge portions in position for being contacted by the hand of a user of the can.

It is to be understood that the collar herein disclosed may comprise an endless band such as would be formed from a drawn ring, or it may be shaped from a stripjoined at its ends in an approved manner. An example of the last mentioned type of collar'is shown in the copending application for U. S. Letters Patent, Serial Number 542,961, now Patent No. 2,433,031, issued December 23, 1947, led by John Coyle and William F. Punte, on June 30, 1944. When collars formed from end joined strips are employed, the joint or seam disclosed by said Coyle and Punte will be found desirable because in this form of joint or seam the multiple thicknesses of collar band metal are disposed only at the central cylindriform body portion of the collar and no overlapping of wall thicknesses is presented at the upper edge curl or the lower edge bent portions of the collar.

While itis preferred that the` can body have a preformed, outwardly directed bead 1 therein as illustrated in Figure 2, it is to be understood that .by inserting a collar formed as in Figure 2 in a can body not equipped with a preformed annular bead, and :by engaging the collar and can body in rolling contact between rollers in the manner illustrated in Figures 2 and 3, an outwardly directed annular bead will be thus formed inthe can bodyandlthe outwardly directed nose of the pleated portion of the collar will be pressed into the'bead and reshaped therein to conform in shape to said bead so as to secure the collar against endwise'movement in the can body.

While specific examples of 'collar 'and collar mounting haveV beenv described for purposes of illustration, it is to be clearly understood thatA variouschanges in the details of construction and arrangement of parts may be made without departing from the spirit `and scope of the in-7 vention as defined in the appended claim.

We claim:

In a sheet-metal containena ycontainer body provided adjacentr its upper extremity with a tear strip and having'anv outwardly extending peripheral annular bead disposedf'below said tearv strip presenting an inwardly'facing groove hav` ing a surface curved in cross-section, and a col-l lar snugly fitting within the body'having a main body portion lying opposite and extending above and below the tear strip/an annular portion hav' ing accordion pleats above and below the groove.:v an-d an intermediate portion approximately arcuate in cross-section contacting the inner curved surface within the groove. n

v f -QJOHN COYLE. 'n WILLIAM F. PUN'I'E.

REFERENCESCITED The following references are of 'record in the file of this patent: l

UNITED STATES PATENTS 

